server/ext/map-world.ext

#! perl # optional

# optional plug-in to speed up worldmap rendering by dynamically
# generating it out of an image
# - saves loading time (less data to read)
# - saves temporary space (only overlay stuff needs to be saved)
# - might get reused as a generic tiled map

cf::map->register (qr{^/world/world_(\d\d\d)_(\d\d\d)$}, 100);

use Coro::Handle;
use Coro::AIO;

our $WORLD;

sub load_indexed($$) {
   my ($path, $size) = @_;

   use bytes;

   0 < aio_load "$path.plt", my $plt
      or cf::cleanup "$path.plt: $!";

   my %plt;
   my @plt;

   for (split /\n/, $plt) {
      my ($name, $rgb) = split /\s+/;
      if (/^(\S+)\s+(\S+)$/) {
         my ($name, $rgb) = ($1, $2);
         $rgb = join "", map chr, map $_ * 17, map hex, split //, $rgb;
         $plt{$rgb} = chr @plt;
         push @plt, $name;
      }
   }

   my $data = cf::fork_call {
      open my $fh, "convert \Q$path.png\E -depth 8 rgb:- |"
         or die "convert: $!";
      binmode $fh;

      $size * 3 == read $fh, my $data, $size * 3
         or die "$path.png, expected $size rgb triplets: $!";

      cf::_quantise $data, [map "$_$plt{$_}", keys %plt];

      $data
   };

   $size == length $data
      or cf::cleanup "$path.png, expected $size index octets ($!)";

   ($data, \@plt)
}

sub load_gridmap($) {
   my ($path) = @_;

   my $map = cf::cache "ext::map-world/gridmap" =>
      [
         "$path/gridmap.meta",
         "$path/gridmap.arch.plt",
         "$path/gridmap.arch.png",
         "$path/gridmap.regn.plt",
         "$path/gridmap.regn.png",
      ],
      1 => sub {
         my ($src) = @_;

         my $map = cf::decode_json $src->[0];

         my $size = $map->{tile_w} * $map->{tile_h} * $map->{grid_w} * $map->{grid_h}
            or cf::cleanup "$path/gridmap.meta: empty gridmap?";

         ($map->{arc_data}, $map->{arc_plt}) = load_indexed "$path/gridmap.arch", $size;
         ($map->{reg_data}, $map->{reg_plt}) = load_indexed "$path/gridmap.regn", $size;

         Coro::Storable::freeze $map
      };

   Coro::Storable::thaw $map
}

sub reload() {
   $WORLD = load_gridmap "$MAPDIR/world";
   warn "worldmap gridmap loaded.";
}

# this is contorted, but likely the correct way to acquire the lock :)
cf::post_init {
   my $guard = cf::lock_acquire "ext::world_gridmap";
   cf::async_ext {
      $Coro::current->{desc} = "worldmap loader";
      reload;
      undef $guard;
   };
};

sub wxwy {
   $_[0]->path =~ m{/world/world_(\d\d\d)_(\d\d\d)$}
      ? ($1, $2)
      : (0, 0)
}

sub load_header_orig {
   my ($self) = @_;

   my ($x, $y) = $self->wxwy;

   my $guard = cf::lock_acquire "ext::world_gridmap";

   $self->width  ($WORLD->{tile_w});
   $self->height ($WORLD->{tile_h});

   $self->name ("'The World' at +$x+$y");
   $self->msg ("worldmap dynamically created by map-world extension");
   $self->outdoor (1);
   $self->default_region (cf::region::find "wilderness");

   $self->tile_path (0, sprintf "/world/world_%03d_%03d", $x, $y - 1) if $y >   0;
   $self->tile_path (1, sprintf "/world/world_%03d_%03d", $x + 1, $y) if $x < 999;
   $self->tile_path (2, sprintf "/world/world_%03d_%03d", $x, $y + 1) if $y < 999;
   $self->tile_path (3, sprintf "/world/world_%03d_%03d", $x - 1, $y) if $x >   0;

   my $overlay = sprintf "%s/world/world_%03d_%03d.map", $cf::MAPDIR, $x, $y;

   $self->{load_path} = $overlay
      unless Coro::AIO::aio_stat $overlay;

   $self->{need_create_treasure} = 1;

   1
}

sub fill {
   my ($self) = @_;

   $self->add_underlay ("\x00" x ($WORLD->{tile_w} * $WORLD->{tile_h}), 0, $WORLD->{tile_w}, $WORLD->{arc_plt});
   $self->default_region (cf::region::find $WORLD->{reg_plt}[0]);
}

sub load {
   my ($self) = @_;

   if ($self->{load_path}) {
      $self->SUPER::load;
   } else {
      $self->alloc;
      $self->fill;
      $self->in_memory (cf::MAP_ACTIVE);
      $self->activate;
   }
}

sub post_load {
   my ($self) = @_;

   {
      my $guard = cf::lock_acquire "ext::world_gridmap";

      my ($x, $y) = $self->wxwy;

      if ($x >= 100 && $x <= 129 && $y >= 100 && $y <= 129) {
         my $stride = $WORLD->{grid_w} * $WORLD->{tile_w};
         my $top = ($y - 100) * $WORLD->{tile_h} * $stride
                    + ($x - 100) * $WORLD->{tile_w};

         $self->add_underlay   ($WORLD->{arc_data}, $top, $stride, $WORLD->{arc_plt});
         $self->set_regiondata ($WORLD->{reg_data}, $top, $stride, $WORLD->{reg_plt});

      } else {
         $self->fill;
      }
   }

   $self->create_region_treasure
      if delete $self->{need_create_treasure};
}

1

Revision:	1.34
Committed:	Tue Sep 23 04:29:11 2008 UTC (15 years, 8 months ago) by root
Branch:	MAIN
Changes since 1.33:	+1 -1 lines
Log Message:	* empty log message *
#	User	Rev	Content
1	root	1.27	#! perl # optional
2	root	1.1
3			# optional plug-in to speed up worldmap rendering by dynamically
4	root	1.8	# generating it out of an image
5	root	1.1	# - saves loading time (less data to read)
6			# - saves temporary space (only overlay stuff needs to be saved)
7	root	1.8	# - might get reused as a generic tiled map
8	root	1.1
9	root	1.30	cf::map->register (qr{^/world/world_(\d\d\d)_(\d\d\d)$}, 100);
10
11	root	1.8	use Coro::Handle;
12			use Coro::AIO;
13	root	1.1
14	root	1.8	our $WORLD;
15	root	1.1
16	root	1.8	sub load_indexed($$) {
17			my ($path, $size) = @_;
18
19			use bytes;
20
21			0 < aio_load "$path.plt", my $plt
22			or cf::cleanup "$path.plt: $!";
23
24			my %plt;
25			my @plt;
26
27			for (split /\n/, $plt) {
28			my ($name, $rgb) = split /\s+/;
29			if (/^(\S+)\s+(\S+)$/) {
30			my ($name, $rgb) = ($1, $2);
31			$rgb = join "", map chr, map $_ * 17, map hex, split //, $rgb;
32			$plt{$rgb} = chr @plt;
33			push @plt, $name;
34			}
35			}
36
37	root	1.22	my $data = cf::fork_call {
38			open my $fh, "convert \Q$path.png\E -depth 8 rgb:- \|"
39			or die "convert: $!";
40			binmode $fh;
41	root	1.8
42	root	1.22	$size * 3 == read $fh, my $data, $size * 3
43			or die "$path.png, expected $size rgb triplets: $!";
44	root	1.8
45	root	1.22	cf::_quantise $data, [map "$_$plt{$_}", keys %plt];
46	root	1.8
47	root	1.22	$data
48			};
49	root	1.8
50	root	1.22	$size == length $data
51	root	1.8	or cf::cleanup "$path.png, expected $size index octets ($!)";
52
53			($data, \@plt)
54			}
55
56			sub load_gridmap($) {
57			my ($path) = @_;
58
59	root	1.22	my $map = cf::cache "ext::map-world/gridmap" =>
60			[
61			"$path/gridmap.meta",
62			"$path/gridmap.arch.plt",
63			"$path/gridmap.arch.png",
64			"$path/gridmap.regn.plt",
65			"$path/gridmap.regn.png",
66			],
67			1 => sub {
68			my ($src) = @_;
69
70	root	1.32	my $map = cf::decode_json $src->[0];
71	root	1.8
72	root	1.22	my $size = $map->{tile_w} * $map->{tile_h} * $map->{grid_w} * $map->{grid_h}
73			or cf::cleanup "$path/gridmap.meta: empty gridmap?";
74	root	1.8
75	root	1.22	($map->{arc_data}, $map->{arc_plt}) = load_indexed "$path/gridmap.arch", $size;
76			($map->{reg_data}, $map->{reg_plt}) = load_indexed "$path/gridmap.regn", $size;
77	root	1.1
78	root	1.22	Coro::Storable::freeze $map
79			};
80	root	1.1
81	root	1.22	Coro::Storable::thaw $map
82			}
83	root	1.11
84	root	1.22	sub reload() {
85	root	1.23	$WORLD = load_gridmap "$MAPDIR/world";
86	root	1.22	warn "worldmap gridmap loaded.";
87	root	1.1	}
88
89	root	1.8	# this is contorted, but likely the correct way to acquire the lock :)
90	root	1.34	cf::post_init {
91	root	1.8	my $guard = cf::lock_acquire "ext::world_gridmap";
92			cf::async_ext {
93	root	1.31	$Coro::current->{desc} = "worldmap loader";
94	root	1.22	reload;
95	root	1.8	undef $guard;
96	root	1.23	};
97	root	1.8	};
98
99	root	1.1	sub wxwy {
100			$_[0]->path =~ m{/world/world_(\d\d\d)_(\d\d\d)$}
101			? ($1, $2)
102			: (0, 0)
103			}
104
105			sub load_header_orig {
106			my ($self) = @_;
107
108	root	1.8	my ($x, $y) = $self->wxwy;
109	root	1.1
110	root	1.8	my $guard = cf::lock_acquire "ext::world_gridmap";
111	root	1.1
112	root	1.8	$self->width ($WORLD->{tile_w});
113			$self->height ($WORLD->{tile_h});
114	root	1.3
115	root	1.6	$self->name ("'The World' at +$x+$y");
116	root	1.1	$self->msg ("worldmap dynamically created by map-world extension");
117	root	1.8	$self->outdoor (1);
118	root	1.20	$self->default_region (cf::region::find "wilderness");
119	root	1.1
120	root	1.12	$self->tile_path (0, sprintf "/world/world_%03d_%03d", $x, $y - 1) if $y > 0;
121			$self->tile_path (1, sprintf "/world/world_%03d_%03d", $x + 1, $y) if $x < 999;
122			$self->tile_path (2, sprintf "/world/world_%03d_%03d", $x, $y + 1) if $y < 999;
123			$self->tile_path (3, sprintf "/world/world_%03d_%03d", $x - 1, $y) if $x > 0;
124	root	1.7
125	root	1.29	my $overlay = sprintf "%s/world/world_%03d_%03d.map", $cf::MAPDIR, $x, $y;
126	root	1.28
127			$self->{load_path} = $overlay
128			unless Coro::AIO::aio_stat $overlay;
129	root	1.1
130	root	1.24	$self->{need_create_treasure} = 1;
131
132	root	1.1	1
133			}
134
135	root	1.13	sub fill {
136			my ($self) = @_;
137
138	root	1.15	$self->add_underlay ("\x00" x ($WORLD->{tile_w} * $WORLD->{tile_h}), 0, $WORLD->{tile_w}, $WORLD->{arc_plt});
139			$self->default_region (cf::region::find $WORLD->{reg_plt}[0]);
140	root	1.13	}
141
142	root	1.1	sub load {
143			my ($self) = @_;
144
145			if ($self->{load_path}) {
146			$self->SUPER::load;
147			} else {
148	root	1.2	$self->alloc;
149	root	1.13	$self->fill;
150	root	1.33	$self->in_memory (cf::MAP_ACTIVE);
151	root	1.26	$self->activate;
152	root	1.1	}
153			}
154
155	root	1.3	sub post_load {
156	root	1.1	my ($self) = @_;
157
158	root	1.26	{
159			my $guard = cf::lock_acquire "ext::world_gridmap";
160	root	1.8
161	root	1.26	my ($x, $y) = $self->wxwy;
162	root	1.1
163	root	1.26	if ($x >= 100 && $x <= 129 && $y >= 100 && $y <= 129) {
164			my $stride = $WORLD->{grid_w} * $WORLD->{tile_w};
165			my $top = ($y - 100) * $WORLD->{tile_h} * $stride
166			+ ($x - 100) * $WORLD->{tile_w};
167
168			$self->add_underlay ($WORLD->{arc_data}, $top, $stride, $WORLD->{arc_plt});
169			$self->set_regiondata ($WORLD->{reg_data}, $top, $stride, $WORLD->{reg_plt});
170
171			} else {
172			$self->fill;
173			}
174	root	1.1	}
175	root	1.24
176	root	1.26	$self->create_region_treasure
177			if delete $self->{need_create_treasure};
178	root	1.1	}
179
180			1
181